From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: MrHua269 <wangxyper@163.com>
Date: Mon, 29 Jul 2024 20:06:27 +0800
Subject: [PATCH] SparklyPaper Skip "MapItem#update()" if the map does not have
 the CraftMapRenderer present


diff --git a/src/main/java/me/earthme/luminol/config/modules/optimizations/MapItemUpdateSkipConfig.java b/src/main/java/me/earthme/luminol/config/modules/optimizations/MapItemUpdateSkipConfig.java
new file mode 100644
index 0000000000000000000000000000000000000000..6235ff18455a21695bdc2d65367558d3936a45c5
--- /dev/null
+++ b/src/main/java/me/earthme/luminol/config/modules/optimizations/MapItemUpdateSkipConfig.java
@@ -0,0 +1,20 @@
+package me.earthme.luminol.config.modules.optimizations;
+
+import me.earthme.luminol.config.ConfigInfo;
+import me.earthme.luminol.config.EnumConfigCategory;
+import me.earthme.luminol.config.IConfigModule;
+
+public class MapItemUpdateSkipConfig implements IConfigModule {
+    @ConfigInfo(baseName = "enabled")
+    public static boolean enabled = true;
+
+    @Override
+    public EnumConfigCategory getCategory() {
+        return EnumConfigCategory.OPTIMIZATIONS;
+    }
+
+    @Override
+    public String getBaseName() {
+        return "skip_map_item_updates_if_no_bukkit_render";
+    }
+}
diff --git a/src/main/java/net/minecraft/world/item/MapItem.java b/src/main/java/net/minecraft/world/item/MapItem.java
index 957396b145b1d1adf265f8b9aaeba052758f007a..6d0f67882885373b4772b9f747e68e490dd8797e 100644
--- a/src/main/java/net/minecraft/world/item/MapItem.java
+++ b/src/main/java/net/minecraft/world/item/MapItem.java
@@ -281,7 +281,7 @@ public class MapItem extends ComplexItem {
                     mapItemSavedData.tickCarriedBy(player, stack);
                 }
 
-                if (!mapItemSavedData.locked && (selected || entity instanceof Player && ((Player)entity).getOffhandItem() == stack)) {
+                if (!mapItemSavedData.locked && (!me.earthme.luminol.config.modules.optimizations.MapItemUpdateSkipConfig.enabled || mapItemSavedData.mapView.getRenderers().stream().anyMatch(mapRenderer -> mapRenderer.getClass() == org.bukkit.craftbukkit.map.CraftMapRenderer.class)) && (selected || entity instanceof Player && ((Player)entity).getOffhandItem() == stack)) { // SparklyPaper - don't update maps if they don't have the CraftMapRenderer in the render list
                     this.update(world, entity, mapItemSavedData);
                 }
                 } // Folia - region threading